LND topic: det page 137

det

Quick & Easy: How Smartphones Help Detect Pesticides in Veggies

November 19, 2024

You know those tiny, almost invisible pesticides on your veggies? They're harmful and hard to spot. But scientists have invented a cool, portable sensor using smartphones to find them quickly. This sensor uses something called a single-atom nanozyme to change color when it finds a pesticide called c

science

Faster Fingerprint Detection: A New Infrared Scan Method

November 19, 2024

In forensics, detecting, segmenting, and visualizing latent fingerprints is crucial but time-consuming. Traditional methods involve destructive physical and chemical processes that can take hours to analyze a single fingerprint. Recently, a new laser-based technology has been developed to speed up t

technology

Unraveling Digital Political Threads: German Research Unearths Surprises

November 19, 2024

In today's digital age, politics is everywhere online. But how can we really tell what people are reading? German researchers delved into this question, testing three methods to detect political texts: using lists of words, traditional machine learning, and deep learning. They ran over 66 models and

health

Why Wealth Impacts Heart, Kidney, and Sugar Levels

November 18, 2024

Ever heard of CKM syndrome? It's when heart, kidney, and metabolic issues happen together. This is a big deal in the US, but we don't know much about how where you live and how much you make affect it. Let's dive in. CKM syndrome can be serious, but not everyone has the same risk. Poorer neighborho

health

Sweating Out Stress: A Novel Patch for Cortisol Tracking

November 18, 2024

Cortisol levels change a lot when we're stressed. These changes help us understand how our hormones are doing. Too much or too little cortisol can signal serious health issues. Usually, checking cortisol involves complex steps and can be kinda painful. Scientists have created a clever patch that mak

health

Early Diabetes Detection: A New Color and Light Method

November 18, 2024

Diabetes, a health condition marked by too much sugar in the blood, isn't always easy to spot early. Traditional signs like high glucose levels can change throughout the day or miss early warning signs. A team of researchers has come up with a clever tool that uses two different methods to catch dia

science

Nano Detectives: Spotting Melamine in Milk with Gold-Silver Sensors

November 15, 2024

Imagine tiny, gold-silver nanoparticles acting like superheroes, helping us detect harmful substances in milk! These nanoparticles, shaped like triangles, hexagons, and pentagons, are about 23-26 nanometers in size. They're created through a simple process called seed and growth, then placed on a ti

health

Unveiling Hidden Truths: How Spectral Technology Saves Traditional Medicine

November 15, 2024

Imagine a world where medicine isn't just about trust but also about proof. Traditional Chinese medicine, especially Atractylodis Rhizoma (AR), is celebrated for its healing properties. However, purity is always a concern. Enter hyperspectral imaging, a tool that can swiftly spot adulterations in AR

crime

Protein Fingerprints: A New Forensic Tool

November 14, 2024

In the world of forensics, DNA has long been the star player. But what if there's more to a crime scene trace than just DNA? Enter proteomics, a field that studies proteins, the building blocks of life. While DNA tells us who, proteins can often tell us what. For example, they can reveal the type of

business

Walmart's New Plan: Let Customers Unlock Anti-Theft Cases

November 14, 2024

Are you tired of waiting for an employee to unlock those pesky anti-theft cases at Walmart? You might soon have the power to do it yourself! Walmart is testing a new technology that lets shoppers use their smartphones to unlock cases, making the shopping experience smoother. This isn't just about co